/ Dictionary / Index R robber frog: Meaning and Definition of Find definitions for: rob'ber frog" Pronunciation: [key] any of numerous small frogs of the genera Eleutherodactylus and Hylactophryne, living chiefly in the American tropics. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. robber fly robbery Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language